[Interpereter] Inline FastNewClosure into CreateClosure bytecode handler

test/cctest/interpreter/bytecode_expectations/CountOperators.golden

 #
 # Autogenerated by generate-bytecode-expectations.
 #
 
 ---
 pool type: mixed
 execute: yes
 wrap: yes
 
 ---
@@ skipping 196 matching lines @@
 "
 frame size: 2
 parameter count: 1
 bytecode array length: 26
 bytecodes: [
                 B(CallRuntime), U16(Runtime::kNewFunctionContext), R(closure), U8(1),
                 B(PushContext), R(1),
   /*   30 E> */ B(StackCheck),
   /*   42 S> */ B(LdaSmi), U8(1),
   /*   42 E> */ B(StaContextSlot), R(context), U8(4),
-  /*   53 S> */ B(CreateClosure), U8(0), U8(0),
+  /*   53 S> */ B(CreateClosure), U8(0), U8(2),
                 B(Star), R(0),
   /*   78 S> */ B(LdaContextSlot), R(context), U8(4),
                 B(Inc),
   /*   87 E> */ B(StaContextSlot), R(context), U8(4),
   /*   90 S> */ B(Return),
 ]
 constant pool: [
   InstanceType::SHARED_FUNCTION_INFO_TYPE,
 ]
 handlers: [
 ]
 
 ---
 snippet: "
   var a = 1; var b = function() { return a }; return a--;
 "
 frame size: 3
 parameter count: 1
 bytecode array length: 31
 bytecodes: [
                 B(CallRuntime), U16(Runtime::kNewFunctionContext), R(closure), U8(1),
                 B(PushContext), R(1),
   /*   30 E> */ B(StackCheck),
   /*   42 S> */ B(LdaSmi), U8(1),
   /*   42 E> */ B(StaContextSlot), R(context), U8(4),
-  /*   53 S> */ B(CreateClosure), U8(0), U8(0),
+  /*   53 S> */ B(CreateClosure), U8(0), U8(2),
                 B(Star), R(0),
   /*   78 S> */ B(LdaContextSlot), R(context), U8(4),
                 B(ToNumber),
                 B(Star), R(2),
                 B(Dec),
   /*   86 E> */ B(StaContextSlot), R(context), U8(4),
                 B(Ldar), R(2),
   /*   90 S> */ B(Return),
 ]
 constant pool: [
@@ skipping 23 matching lines @@
                 B(LdaSmi), U8(2),
   /*   79 E> */ B(StaKeyedPropertySloppy), R(1), R(3), U8(1),
   /*   84 S> */ B(Return),
 ]
 constant pool: [
   InstanceType::FIXED_ARRAY_TYPE,
 ]
 handlers: [
 ]